tothemirandarule.they've not advised him of his rights. so they can only ask about potential threats to public safety. were there other conspirators, other bombs out there, any reason to believe that public safety is in any way jeopardized. >> pete, one of the persons cited in terms of this idea that there may have been more violent plans on order at the hands of the brothers is this person who was hijacked by the brothers on thursday night. and the driver of a mercedes suv. we know that he's been cooperating with police. is there anything else that we know about his involvement in all of this? >> yeah, the business about new york is very iffy, frankly. i've emailed briefly with this person. he claims that he escaped with they stopped at a gasoline station. but he's also told the police that he was told by these two men, that they were the marathon bombers. but that they were not going to kill him because he was not an american. what he told the police was, that he thought they were speaking arabic. that's probably not the case, they were probably speaking russian or some dialect. an